1211104104 has 64 divisors (see below), whose sum is σ = 3465210240. Its totient is φ = 345538560.

The previous prime is 1211104093. The next prime is 1211104121. The reversal of 1211104104 is 4014011121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123112 + ... + 132584.

It is an arithmetic number, because the mean of its divisors is an integer number (54143910).

Almost surely, 2^1211104104 is an apocalyptic number.

1211104104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1211104104 is an abundant number, since it is smaller than the sum of its proper divisors (2254106136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1211104104 is a wasteful number, since it uses less digits than its factorization.

1211104104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10250 (or 10246 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 1211104104 is about 34800.9210222948. The cubic root of 1211104104 is about 1065.9262527493.

Adding to 1211104104 its reverse (4014011121), we get a palindrome (5225115225).

The spelling of 1211104104 in words is "one billion, two hundred eleven million, one hundred four thousand, one hundred four".